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Finding the Fourth Proportional to 192,408.64, 265,352.02 and 120,795.34

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Solution

The fourth proportional to 192,408.64, 265,352.02 and 120,795.34 is: 166,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,408.64 : 265,352.02 = 120,795.34 : x
  2. Step 2: Convert to fraction form
    192,408.64/265,352.02 = 120,795.34/x
  3. Step 3: Cross multiply
    192,408.64x = 265,352.02 × 120,795.34
  4. Step 4: Simplify right side
    192,408.64x = 32,053,287,475.59
  5. Step 5: Solve for x
    x = 32,053,287,475.59/192,408.64
  6. Step 6: Final answer
    x = 166,589.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.